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Finding the Fourth Proportional to 243,252.36, 364,856.27 and 172,478.61

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Solution

The fourth proportional to 243,252.36, 364,856.27 and 172,478.61 is: 258,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,252.36 : 364,856.27 = 172,478.61 : x
  2. Step 2: Convert to fraction form
    243,252.36/364,856.27 = 172,478.61/x
  3. Step 3: Cross multiply
    243,252.36x = 364,856.27 × 172,478.61
  4. Step 4: Simplify right side
    243,252.36x = 62,929,901,436.99
  5. Step 5: Solve for x
    x = 62,929,901,436.99/243,252.36
  6. Step 6: Final answer
    x = 258,702.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.